1
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is internal energy change when $$62 \mathrm{~J}$$ of work is done on the system and $$128 \mathrm{~J}$$ of heat is transferred to surrounding?

A
$$-62 \mathrm{~J}$$
B
$$-190 \mathrm{~J}$$
C
$$-128 \mathrm{~J}$$
D
$$-66 \mathrm{~J}$$
2
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

A gas is allowed to expand against a constant external pressure of 2.5 bar from an initial volume 'x' L to final volume of 4.5 L. If amount of work done is 5 dm$$^3$$ bar, what is the value of 'x'?

A
2.5 L
B
4.5 L
C
6.0 L
D
1.2 L
3
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

In a process, a system performs $$238 \mathrm{~J}$$ of work on it's surrounding by absorbing $$54 \mathrm{~J}$$ of heat. What is the change in internal energy of system during this operation?

A
222 J
B
$$-$$192 J
C
54 J
D
$$-$$184 J
4
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

When $$\mathrm{x} \mathrm{kJ}$$ heat is provided to a system, work equivalent to $$\mathrm{y} \mathrm{J}$$ is done on it. What is internal energy change during this operation?

A
$$(1000 x+y) J$$
B
$$1000(\mathrm{x}+\mathrm{y}) \mathrm{J}$$
C
$$(x+1000 y) J$$
D
$$x+y$$ J
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12